CN101698458B - Foldable rundle upper horizontal end steering mechanism - Google Patents
Foldable rundle upper horizontal end steering mechanism Download PDFInfo
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- CN101698458B CN101698458B CN2009102460526A CN200910246052A CN101698458B CN 101698458 B CN101698458 B CN 101698458B CN 2009102460526 A CN2009102460526 A CN 2009102460526A CN 200910246052 A CN200910246052 A CN 200910246052A CN 101698458 B CN101698458 B CN 101698458B
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- hook
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- roller
- lifting catch
- snap close
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Abstract
The invention discloses a foldable rundle upper horizontal end steering mechanism, which comprises a traction chain gear, a primary wheel steering ladder way, a secondary wheel steering ladder way, a lifting catch control cam fixed with a girder, a lifting catch rotating arm synchronous with the traction chain gear and a lifting catch body of which the middle part is hinged with the lifting catch rotating arm, wherein the lifting catch arm is provided with a lifting catch roller; the radially outward part of the lifting catch body is provided with a lifting catch; the lifting catch control cam is provided with a curved control groove which can accommodate the lifting catch roller and allow the lifting catch roller to roll; the curved control groove mainly comprises a control groove locking section and a control groove opening section which are mutually communicated; when the lifting catch roller enters the control groove locking section, the lifting catch swings to a locking position; and when the lifting catch roller enters the control groove opening section, the lifting catch swings to an opening position. The mechanism steering a rundle, the lifting catch can well support the rundle auxiliary wheel and make the rundle operation smoother.
Description
Technical field
The present invention relates to a kind of Foldable rundle upper horizontal end steering mechanism.
Background technology
Movably escalator comprises truss, is installed in upper segment fish shaped board ladder way, the lower segment fish shaped board ladder way on the truss, the step of going up the working stand road between the lower segment fish shaped board ladder way and rotating in the cocycle of terraced road.In order to reduce the volume of escalator, make it to be suitable for more movably escalator, can adopt folding step to replace the existing fixed step.Such escalator when step turns to, employing be that translation turns to; The steering hardware of escalator comprises the upper level-end steering hardware of upper segment fish shaped board ladder way and the lower level-end steering hardware of lower segment fish shaped board ladder way, when step when upper level-end turning mechanism turns to, collapsible step is in full open position.Existing collapsible step upper level-end turns to terraced line structure shown in the Chinese patent that publication number is 101423120, comprises that mainly the jockey pulley that mates with step main wheel chain roller ingear driving chain sprocket, with the path of motion of step jockey pulley axle journal ingear when turning to support roller and shape and step jockey pulley to turn to turns to terraced road.
Summary of the invention
The object of the invention provides a kind of Foldable rundle upper horizontal end steering mechanism, and is more reliable to the support of the step jockey pulley that turning to, make collapsible step the upper level-end of escalator smoothly translation turn to.
Technical scheme of the present invention is: a kind of Foldable rundle upper horizontal end steering mechanism, comprise driving chain sprocket, main wheel turns to terraced road and jockey pulley to turn to terraced road, described steering hardware also comprises the hook control cam fixing with truss, hook pivoted arm and the middle part and the hook body of hook pivoted arm of rotating in the same way synchronously with driving chain sprocket by the drive-connecting shaft pivot joint, on the described hook body hook roller is installed, described hook body is provided with hook in the part of the radial outward of hook pivoted arm, the curve controlled groove that described hook control cam is provided with ccontaining hook roller and rolls for the hook roller, be that the hook roller carries out camming movement in the curve controlled groove, described curve controlled groove mainly is made of control slit snap close section that is interconnected and the control slit section of opening, during described hook roller control of access groove snap close section, hook is in the snap close position, latches on the jockey pulley axle journal of step; During the described hook roller control of access groove section of opening, hook is shown in an open position, and the jockey pulley axle journal that makes things convenient for step goes out or snaps in from hook.When synchronous same-speed rotates under the drive at actuating device when driving chain sprocket and hook pivoted arm, the hook body is along with the hook pivoted arm rotates, the hook roller rolls in the curve controlled groove simultaneously, and the curvilinear motion meeting of curve controlled groove makes the hook body swing around drive-connecting shaft simultaneously.
Further, the rotating shaft core of hook pivoted arm equates with the distance of shaft centers of step main axle to the jockey pulley axle to the distance between the driving chain sprocket axle center.
Further, on the hook pivoted arm bonded assembly hook body generally comprised several, become Equal round to distribute between these several hook bodies.
Further, described jockey pulley turns to the terraced route section of having a down dip, last horizontal segment and constitutes with the section of having a down dip and the tangential bonded assembly arc section of last horizontal segment respectively, described arc section is provided with the breach that passes through for the step main wheel, the axle center of described arc section circular arc overlaps with the rotating shaft core of hook pivoted arm, when the jockey pulley axle journal of step when the hook holder enters arc section, the hook roller is control of access groove snap close section accordingly, make the jockey pulley axle journal of the step that the hook snap close firmly need turn to, step begins to turn to; When the hook holder that the jockey pulley axle journal of step is capable to go out arc section, the hook roller is cooresponding to skid off control slit snap close section and the control of access groove section of opening, latch in hook on the jockey pulley axle journal this moment and open and remove snap close, make the jockey pulley axle journal leave from hook, step turns to be finished.
Further, described control slit snap close section and the control slit section of opening are respectively the arc groove coaxial with the hook pivoted arm, and the curvature of described control slit snap close section circular arc is greater than the curvature of the control slit section of opening circular arc.Described hook body is a V-arrangement, and the angle of described V-arrangement is the obtuse angle, and the middle part of described V-arrangement and hook pivoted arm articulate, and an end of described V-arrangement is installed the hook roller, and the other end is provided with hook, and the opening of described hook is located at a V-arrangement bipod side in opposite directions.When the hook roller when the less control slit section of opening of curvature slips into the bigger control slit snap close section of curvature, the hook roller moves along with the curvilinear motion of control slit and makes hook towards one side oscillation of hook opening; When hook roller during from the control slit snap close section control of access groove section of opening, the hook roller moves along with the variation of control slit curve and makes the side oscillation that hook is opposite with the hook opening direction.Certainly the curve controlled groove can also be other form---the curvature as above-mentioned control slit snap close section and the control slit section of opening is exchanged, and the opening direction of hook also exchanges simultaneously; Perhaps the idle running section of the control slit section of opening (is that the hook roller is when this idle running section operation, hook does not contact with the jockey pulley axle journal) also can be other shape, as long as because step is moved not influence in the position and the action of idle running section hook---make hook before step turns to, can hold up and latch on the jockey pulley axle journal, hold the jockey pulley axle journal then and steadily turn to, turned at step again and can untie snap close and leave the jockey pulley axle journal just.
Advantage of the present invention is:
1, the present invention is provided with hook and hook control cam, make that hook can well support the step jockey pulley when step turned to, turning to support roller that the step jockey pulley is supported with use compares, hook has automatic snap close and unlocking function to step jockey pulley axle journal, feasible support is more reliable, makes that the step operation is more smooth.
Description of drawings
Fig. 1 is the plan structure scheme drawing of the specific embodiment of the invention;
Fig. 2 is the local enlarged diagram at I place among Fig. 1;
Fig. 3 is the A-A direction first status architecture scheme drawing of Fig. 1 of the present invention;
Fig. 4 is the A-A direction second status architecture scheme drawing of Fig. 1 of the present invention;
Fig. 5 is the structural representation of specific embodiment of the invention hook control cam, hook pivoted arm, hook body and driving chain sprocket;
Fig. 6 is the B-B cross-sectional schematic among Fig. 5;
Fig. 7 a to 7e is hook and jockey pulley axle journal position engaged scheme drawing in the another specific embodiment step of the present invention steering procedure.
Wherein: 1 driving chain sprocket; 2 main wheels turn to terraced road; Horizontal segment on 21 main wheels; The 22 main wheel sections of having a down dip; 3 jockey pulleys turn to terraced road; 31 sections of having a down dip; Horizontal segment on 32; 33 arc sections; 4 hooks control cam; 41 curve controlled grooves; 411 control slit snap close sections; The 412 control slit sections of opening; 5 hook pivoted arms; 6 hook bodies; 61 hooks; 7 hook rollers; 8 main wheels; 9 breach; 10 main wheel chain rollers; 11 jockey pulley axle journals; 12 collapsible steps; 13 main transmission boxes; 14 drive-connecting shafts.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment:
Extremely shown in Figure 7 as Fig. 1, a kind of Foldable rundle upper horizontal end steering mechanism, comprise that driving chain sprocket 1, main wheel turn to terraced road 2 and jockey pulley to turn to terraced road 3, hook pivoted arm 5 and middle part and the hook body 6 of hook pivoted arm 5 that described steering hardware also comprises the hook control cam 4 fixing with truss, rotates synchronously with driving chain sprocket 1 by drive-connecting shaft 14 pivot joints.Wherein hook pivoted arm 5 is provided with three pivoted arms among Fig. 1 to Fig. 6, and each pivoted arm outer end radially articulates hook body 6 middle parts, and the third-class cyclotomy of these three pivoted arms distributes, and promptly three pivoted arms angle between any two is 120 degree, is provided with three hook bodies 6 among this embodiment; Hook pivoted arm 5 is provided with two pivoted arm (not shown)s among Fig. 7 a～7e, and two pivoted arms distribute along same diameter Bisected Circle, so has only two hook bodies 6 among this embodiment.On the described hook body 6 hook roller 7 is installed, the part of described hook body 6 radial outward is provided with hook 61, the curve controlled groove 41 that described hook control cam 4 is provided with ccontaining hook roller 7 and rolls within it for hook roller 7, described curve controlled groove 41 mainly is made of the control slit snap close section 411 and the control slit section of opening 412 that are interconnected, hook 61 was in the snap close state when described hook roller 7 was positioned at control slit snap close section 411, hook 61 was in open mode when described hook roller 7 was positioned at the control slit section of opening 412, when position that hook roller 7 joins through control slit snap close sections 411 and the control slit section of opening 412, hook 61 is done the cw and the counter-clockwise swing of certain angle around drive-connecting shaft 14, and the process of this swing is exactly hook 61 with jockey pulley axle journal 11 snap closes of collapsible step 12 or removes the process of snap close.
Described driving chain sprocket 1 and hook pivoted arm 5 by the main transmission box 13 of elevator with the equidirectional transmission of 1: 1 transmitting ratio.
The main wheel section of having a down dip 22 that described main wheel turns to terraced road 2 to comprise to be positioned at return phase and be positioned at horizontal segment 21 on the main wheel of active section; Described jockey pulley turn to terraced road 3 by the section of having a down dip 31, go up horizontal segment 32 and constitute with section of having a down dip 31 and last horizontal segment 32 tangential bonded assembly arc sections 33 respectively, described arc section 33 is provided with the breach 9 that passes through for step main wheel 8, the axle center of described arc section 33 circular arcs overlaps with the rotating shaft core of hook pivoted arm 5, when the hook 61 of hook body 6 passed in and out arc sections 33, hook roller 7 passed in and out control slit snap close section 411 accordingly.Wherein jockey pulley turns to the section of having a down dip 31 on terraced road to be arranged side by side with the main wheel section of having a down dip 33, and the main wheel section of having a down dip 33 extends out to and driving chain sprocket 1 parallel tangent place; Horizontal segment 21 and jockey pulley turn to the diff-H between the last horizontal segment 32 on terraced road to make the collapsible step of full open position keep the step pedal horizontal positioned when the operation of the terraced road of this section on the main wheel.
Described control slit snap close section 411 and the control slit section of opening 412 are respectively the arc groove coaxial with hook pivoted arm 5, and the curvature of described control slit snap close section 411 circular arcs is greater than the curvature of the control slit section of opening 412 circular arcs.Described hook body 6 is a V-arrangement, and the middle part of described V-arrangement and hook pivoted arm 5 articulate, and an end of described V-arrangement is installed hook roller 7, and the other end is provided with hook 61, and wherein the opening of hook 61 is located at a V-arrangement bipod side in opposite directions.
A step of staircase by the active section on top when the return phase turning operation of bottom:
1) at first the main wheel 8 of the collapsible step 12 of full open position and jockey pulley move to the last horizontal segment 32 that horizontal segment 21 and jockey pulley on the main wheel that main wheel turns to terraced road 2 turn to terraced road 3 respectively;
2) arrive driving chain sprocket 1 up to main axle bonded assembly main wheel chain roller 10 with main wheel 8, the jockey pulley axle journal 11 of jockey pulley arrives the opening of a hook 61 simultaneously, hook roller 7 is prepared to advance to control slit snap close section 411 by the control slit section of opening 412, and the jockey pulley of step is prepared to advance to arc section 33 from last horizontal segment 32;
3) tooth mesh on main wheel chain roller 10 and the driving chain sprocket 1 then, main wheel 8 leaves horizontal segment 21 on the main wheel, hook 61 contact jockey pulley axle journals 11 and counter-clockwise swing takes place latch on the jockey pulley axle journal 11 simultaneously, the step jockey pulley enters arc section 33 upper ends;
4) then driving chain sprocket 1 clockwise rotates and takes step main wheel 8 to the main wheel section of having a down dip 22 by horizontal segment on the main wheel 21, hook pivoted arm 5 clockwise rotates and takes jockey pulley to arc section 33 lower ends, hook 61 and jockey pulley axle journal 11 keeps the snap close states in this process, and hook roller 7 moves to the position that control slit snap close section 411 and the control slit section of opening 412 are joined in control slit snap close section 411;
5) main wheel chain roller 10 is removed engagement with driving chain sprocket 1, step main wheel 8 is fallen on the main wheel section of having a down dip 22, the motion of hook roller 7 curve controlled groove 41 in simultaneously makes hook 61 swing and stay open state around drive-connecting shaft 14 cws, makes jockey pulley axle journal 11 leave hook 61 smoothly, the step jockey pulley leaves arc section 33 and comes the section of having a down dip 31;
6) main wheel 8 of collapsible step 12 and jockey pulley continue moving downwards along tilting section, and main wheel 8 passes the breach on the arc section 33, and last collapsible step 12 enters other terraced road of return phase; Step turns to be finished.
From Fig. 7 a～7b can clearly see publish picture the jockey pulley axle journal 11 of top step by step near the hook 61 of top and by hook 61 snap closes, the jockey pulley axle journal 11 of below is removed snap closes and is left hook 61 by hook 61 step by step among the figure simultaneously.
When a step of staircase by the return phase of bottom during to the active section turning operation on top, the all conter clockwise operations of driving chain sprocket 1 and hook pivoted arm 5, the walking manner of step is just in time opposite with said process, this moment, hook 61 was at the lower end of arc section 33 counter-clockwise swing snap close jockey pulley axle journal 11, at the upper end of arc section 33 cw swing relieving jockey pulley axle journal 11.
Hook can well support the step jockey pulley when step of the present invention turned to, turning to support roller that the step jockey pulley is turned to support with use compares, hook has automatic snap close and unlocking function to step jockey pulley axle journal, makes that support is more reliable, makes that the step operation is more smooth.
Claims (3)
1. Foldable rundle upper horizontal end steering mechanism, comprise driving chain sprocket (1), main wheel turns to terraced road (2) and jockey pulley to turn to terraced road (3), it is characterized in that: described steering hardware also comprises the hook control cam (4) fixing with truss, with the hook pivoted arm (5) of driving chain sprocket (1) rotation synchronously and the hook body (6) of middle part and hook pivoted arm (5) pivot joint, hook roller (7) is installed on the described hook body (6), the part of described hook body (6) radial outward is provided with hook (61), described hook control cam (4) is provided with ccontaining hook roller (7) and supplies the curve controlled groove (41) of its rolling, described curve controlled groove (41) mainly is made of control slit snap close section (411) that is interconnected and the control slit section of opening (412), during described hook roller (7) control of access groove snap close section (411), hook (61) is rocked to the snap close position; During described hook roller (7) the control of access groove section of opening (412), hook (61) is rocked to open position; Described jockey pulley turn to terraced road (3) by the section of having a down dip (31), go up horizontal segment (32) and respectively with tangential bonded assembly arc section (33) formation of the section of having a down dip (31) and last horizontal segment (32), described arc section (33) is provided with the breach (9) that passes through for step main wheel (8), the axle center of described arc section (33) overlaps with the rotating shaft core of hook pivoted arm (5), when hook (61) turnover arc section (33), hook roller (7) passes in and out control slit snap close section (411) accordingly; Described control slit snap close section (411) and the control slit section of opening (412) are respectively and the coaxial arc groove of hook pivoted arm (5).
2. Foldable rundle upper horizontal end steering mechanism according to claim 1 is characterized in that: the curvature of described control slit snap close section (411) circular arc is greater than the curvature of the control slit section of opening (412) circular arc.
3. Foldable rundle upper horizontal end steering mechanism according to claim 2, it is characterized in that: described hook body (6) is a V-arrangement, the middle part of described V-arrangement and hook pivoted arm (5) articulate, and an end of described V-arrangement is installed hook roller (7), and the other end is provided with hook (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102460526A CN101698458B (en) | 2009-11-19 | 2009-11-19 | Foldable rundle upper horizontal end steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102460526A CN101698458B (en) | 2009-11-19 | 2009-11-19 | Foldable rundle upper horizontal end steering mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN101698458A CN101698458A (en) | 2010-04-28 |
| CN101698458B true CN101698458B (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102460526A Active CN101698458B (en) | 2009-11-19 | 2009-11-19 | Foldable rundle upper horizontal end steering mechanism |
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| CN (1) | CN101698458B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2914537A4 (en) * | 2012-11-01 | 2016-11-16 | Otis Elevator Co | Turnaround mechanism for passenger conveyors |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201614221U (en) * | 2009-11-19 | 2010-10-27 | 苏州市申龙电梯有限公司 | Horizontal end steering mechanism on foldable ladder step |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201614221U (en) * | 2009-11-19 | 2010-10-27 | 苏州市申龙电梯有限公司 | Horizontal end steering mechanism on foldable ladder step |
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| CN101698458A (en) | 2010-04-28 |
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Effective date of registration: 20120222 Address after: 215213, Jiangsu, Wujiang Province, Fen lake, Xin tower, south side of Longgang Road Patentee after: Shenlong Elevator Co., Ltd. Address before: 215213, 1253 Xin Tower Street, Xin tower town, Jiangsu, Wujiang Patentee before: Suzhou Shenlong Elevator Co., Ltd. |